Display pixel: 7x23 / 7x21 / 5x19 Dimensions: 73x31mm / 80x60mm / 80x42mm / 83x60customize size Battery life: 20 ~ 25 hours for continuous use Power supply: Non rechargable battery(1 PCS of CR2032 battery) Shape: Rectangular / oval / customize shape Capacity: Store up to 8 messages, each message can store 250 characters. Scolling speed: 1~8 grades Brightness: 1~8 grades Display mode: 6 types ( from right to left, from up to down, from down to up, stop, flashing and scrolling, flashing). Color available: Red, yellow, orange, blue, green. It supports ASCII character set, It can support English, other language can customize... Operation: Edit via key button Rear cover provide protection to the back With a small drawer to save the battery Attach to the cloth via two strong magnets or small hook. Input: Without graphic or multielement input Packing: Standard box / blister pack